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    <div class="moz-cite-prefix">Hi John,<br>
      <br>
      sorry, I do not understand your problem or question here. Would
      you describe it again step by step for me :) ?<br>
      <br>
      Kind Regards,<br>
      Peter<br>
      <br>
      On 27.07.2015 21:45, John Zhao wrote:<br>
    </div>
    <blockquote
cite="mid:CA+EBg9TmGgeuOavHwb4xWh0L+fszCmqcEUxwgu3j8EKBEJuLMw@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi Peter,
        <div><br>
        </div>
        <div>Thanks.</div>
        <div>Actually I only have 1 flagEncoder in the <span
style="color:rgb(0,0,0);font-family:Menlo;font-size:12pt;background-color:rgb(228,228,255)">EncodingManager.</span></div>
        <div>The call is exact same, <span
style="color:rgb(0,0,0);font-family:Menlo;font-size:12pt;white-space:pre-wrap">preparation.findSubnetworks()</span><br>
        </div>
        <div>
          <pre style="white-space:pre-wrap;color:rgb(0,0,0);font-family:Menlo;font-size:12pt">preparation.findSubnetworks() using edgeFilter which is also from singleEncoder.</pre>
        </div>
      </div>
      <div class="gmail_extra"><br clear="all">
        <div>
          <div class="gmail_signature"><b>Best Regards,</b>
            <div><b>ZhiQiang ZHAO</b></div>
          </div>
        </div>
        <br>
        <div class="gmail_quote">On Sun, Jul 26, 2015 at 7:56 AM, Peter
          <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:graphhopper@gmx.de" target="_blank">graphhopper@gmx.de</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000">
              <div>Hi John,<br>
                <br>
                it should not be related to calling these method twice.
                It is just one time where you calculate the subnetworks
                independent of any FlagEncoder or direction via
                findSubnetworks and the second pass is FlagEncoder- and
                access-dependent via removeDeadEndUnvisitedNetworks.<br>
                <br>
                Regards,<br>
                Peter
                <div>
                  <div class="h5"><br>
                    <br>
                    On 24.07.2015 21:16, John Zhao wrote:<br>
                  </div>
                </div>
              </div>
              <div>
                <div class="h5">
                  <blockquote type="cite">
                    <div dir="ltr">Hi Peter,
                      <div><br>
                      </div>
                      <div>I am still confused.</div>
                      <div>at first we call </div>
                      <div><span
                          style="color:rgb(0,0,0);font-family:Menlo;font-size:16px">map

                          = findSubnetworks();</span><br>
                      </div>
                      <div><span
                          style="color:rgb(0,0,0);font-family:Menlo;font-size:16px"><br>
                        </span></div>
                      <div><span
                          style="color:rgb(0,0,0);font-family:Menlo;font-size:16px">after

                          the cleanup, we call the same method in
                          Graphhopper.</span></div>
                      <div>
                        <pre style="color:rgb(0,0,0);font-family:Menlo;font-size:12pt"><span style="color:#000080;font-weight:bold">int </span>remainingSubnetworks = preparation.findSubnetworks().size();</pre>
                        <pre style="color:rgb(0,0,0);font-family:Menlo;font-size:12pt">Why the subnetwork was recognized the latter time, but not the first time?</pre>
                        <pre style="color:rgb(0,0,0);font-family:Menlo;font-size:12pt">we remove some edges make it not connected?</pre>
                      </div>
                    </div>
                    <div class="gmail_extra"><br clear="all">
                      <div>
                        <div><b>Best Regards,</b>
                          <div><b>ZhiQiang ZHAO</b></div>
                        </div>
                      </div>
                      <br>
                      <div class="gmail_quote">On Thu, Jul 23, 2015 at
                        2:22 PM, Peter <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:graphhopper@gmx.de"
                            target="_blank">graphhopper@gmx.de</a>></span>
                        wrote:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex"> <br>
                          <div bgcolor="#FFFFFF" text="#000000"> Hi
                            ZhiQiang,<br>
                            <br>
                            yes, according to the wiki this is wrongly
                            mapped:<br>
                            <i> Avoid tagging highway intersections as
                              that does not make clear which way has the
                              impediment. </i><br>
                            <br>
                            <a moz-do-not-send="true"
                              href="http://wiki.openstreetmap.org/wiki/Tag:barrier%3Dgate"
                              target="_blank">http://wiki.openstreetmap.org/wiki/Tag:barrier%3Dgate</a><span><font
                                color="#888888"><br>
                                <br>
                                Peter</font></span>
                            <div>
                              <div><br>
                                <br>
                                <div>On 23.07.2015 23:16, John Zhao
                                  wrote:<br>
                                </div>
                                <blockquote type="cite">
                                  <div dir="ltr">Hi Peter,
                                    <div><br>
                                    </div>
                                    <div>Maybe the following one related
                                      with <a moz-do-not-send="true"
href="https://github.com/graphhopper/graphhopper/issues/388#issuecomment-88066385"
                                        target="_blank">https://github.com/graphhopper/graphhopper/issues/388#issuecomment-88066385</a> </div>
                                    <div><br>
                                    </div>
                                    <div>
                                      <div
                                        style="font-size:12.8000001907349px">I
                                        have a look
                                        at 37.32611992939085,-121.9961998312816.</div>
                                      <div
                                        style="font-size:12.8000001907349px">It

                                        seesm related with barrier=gate
                                        at intersection.</div>
                                      <div
                                        style="font-size:12.8000001907349px"><a
                                          moz-do-not-send="true"
                                          href="http://www.openstreetmap.org/node/1126492194"
                                          target="_blank">http://www.openstreetmap.org/node/1126492194</a></div>
                                    </div>
                                  </div>
                                  <div class="gmail_extra"><br
                                      clear="all">
                                    <div>
                                      <div><b>Best Regards,</b>
                                        <div><b>ZhiQiang ZHAO</b></div>
                                      </div>
                                    </div>
                                    <br>
                                    <div class="gmail_quote">On Thu, Jul
                                      23, 2015 at 2:11 PM, Peter <span
                                        dir="ltr"><<a
                                          moz-do-not-send="true"
                                          href="mailto:graphhopper@gmx.de"
                                          target="_blank">graphhopper@gmx.de</a>></span>
                                      wrote:<br>
                                      <blockquote class="gmail_quote"
                                        style="margin:0 0 0
                                        .8ex;border-left:1px #ccc
                                        solid;padding-left:1ex"> <br>
                                        <div bgcolor="#FFFFFF"
                                          text="#000000"> There are two
                                          types of subnetworks and the
                                          smaller ones seems to be
                                          'one-way subnetworks' which
                                          means they are eg. only
                                          reachable as destination or
                                          start. But if you would start
                                          from a destination-only
                                          subnetwork you'll get 'not
                                          found' for all points outside
                                          of this network.<br>
                                          <br>
                                          Regards,<br>
                                          Peter
                                          <div>
                                            <div><br>
                                              <br>
                                              <div>On 23.07.2015 23:03,
                                                John Zhao wrote:<br>
                                              </div>
                                            </div>
                                          </div>
                                          <blockquote type="cite">
                                            <div>
                                              <div>
                                                <div dir="ltr">Interesting, 

                                                  <div>when I increase <span
style="font-size:12.8000001907349px">minOnewayNetworkSize from 20 to 50,
                                                      the following two
                                                      disappeared.</span></div>
                                                  <div>
                                                    <div
                                                      style="font-size:12.8000001907349px">subnetwork


                                                      start from:
                                                      37.32611992939085,-121.9961998312816
                                                      size: 24</div>
                                                    <div
                                                      style="font-size:12.8000001907349px"><span
style="font-size:12.8000001907349px">subnetwork start from:
                                                        37.78373608999855,-122.</span><span
style="font-size:12.8000001907349px">25065187925067 size: 34</span></div>
                                                  </div>
                                                </div>
                                                <div class="gmail_extra"><br
                                                    clear="all">
                                                  <div>
                                                    <div><b>Best
                                                        Regards,</b>
                                                      <div><b>ZhiQiang
                                                          ZHAO</b></div>
                                                    </div>
                                                  </div>
                                                  <br>
                                                  <div
                                                    class="gmail_quote">On
                                                    Thu, Jul 23, 2015 at
                                                    1:55 PM, John Zhao <span
                                                      dir="ltr"><<a
                                                        moz-do-not-send="true"
href="mailto:johnthu@gmail.com" target="_blank">johnthu@gmail.com</a>></span>
                                                    wrote:<br>
                                                    <blockquote
                                                      class="gmail_quote"
                                                      style="margin:0 0
                                                      0
                                                      .8ex;border-left:1px
                                                      #ccc
                                                      solid;padding-left:1ex">
                                                      <div dir="ltr">Hi,
                                                        <div><br>
                                                        </div>
                                                        <div>I tried car
                                                          flag encoder
                                                          with following
                                                          parameter on
                                                          San Francisco
                                                          bay area data
                                                          from mapzen.</div>
                                                        <div><a
                                                          moz-do-not-send="true"
href="https://s3.amazonaws.com/metro-extracts.mapzen.com/san-francisco-bay_california.osm.pbf"
target="_blank">https://s3.amazonaws.com/metro-extracts.mapzen.com/san-francisco-bay_california.osm.pbf</a></div>
                                                        <div><br>
                                                        </div>
                                                        <div>
                                                          <div>minNetworkSize=200</div>
                                                          <div>minOnewayNetworkSize=20</div>
                                                          <div><br>
                                                          </div>
                                                          <div>I printed
                                                          all the
                                                          remaining
                                                          subnetworks.</div>
                                                          <div>
                                                          <div>edges:
                                                          591932, nodes
                                                          437420, there
                                                          were 3496
                                                          subnetworks.
                                                          removed them
                                                          => 13121
                                                          less nodes.
                                                          Remaining
                                                          subnetworks:5</div>
                                                          <div>The
                                                          remaining
                                                          subnetworks
                                                          are:</div>
                                                          <div>subnetwork
                                                          start from:
                                                          37.32611992939085,-121.9961998312816
                                                          size: 24</div>
                                                          <div>subnetwork
                                                          start from:
                                                          37.56018439442332,-122.30257814308803
                                                          size: 436637</div>
                                                          <div>subnetwork
                                                          start from:
                                                          37.78373608999855,-122.25065187925067
                                                          size: 34</div>
                                                          <div>subnetwork
                                                          start from:
                                                          38.180185962770565,-121.70631393878864
                                                          size: 301</div>
                                                          <div>subnetwork
                                                          start from:
                                                          37.85717050411933,-122.07633641532816
                                                          size: 424</div>
                                                          </div>
                                                          <div><br>
                                                          </div>
                                                          <div>I don't
                                                          understand why
                                                          there is still
                                                          subnetwork
                                                          less than 200
                                                          nodes.</div>
                                                          <div><br>
                                                          </div>
                                                          <div>I have a
                                                          look
                                                          at 37.32611992939085,-121.9961998312816.</div>
                                                          <div>It seesm
                                                          related with
                                                          barrier=gate
                                                          at
                                                          intersection.</div>
                                                          <div><a
                                                          moz-do-not-send="true"
href="http://www.openstreetmap.org/node/1126492194" target="_blank">http://www.openstreetmap.org/node/1126492194</a><br>
                                                          </div>
                                                          <div><br>
                                                          </div>
                                                          <div>
                                                          <div>
                                                          <div><b>Best
                                                          Regards,</b>
                                                          <div><b>ZhiQiang
                                                          ZHAO</b></div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                        </div>
                                                      </div>
                                                    </blockquote>
                                                  </div>
                                                  <br>
                                                </div>
                                              </div>
                                            </div>
                                          </blockquote>
                                        </div>
                                      </blockquote>
                                    </div>
                                  </div>
                                </blockquote>
                              </div>
                            </div>
                          </div>
                        </blockquote>
                      </div>
                    </div>
                  </blockquote>
                  <br>
                </div>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            GraphHopper mailing list<br>
            <a moz-do-not-send="true"
              href="mailto:GraphHopper@openstreetmap.org">GraphHopper@openstreetmap.org</a><br>
            <a moz-do-not-send="true"
              href="https://lists.openstreetmap.org/listinfo/graphhopper"
              rel="noreferrer" target="_blank">https://lists.openstreetmap.org/listinfo/graphhopper</a><br>
            <br>
          </blockquote>
        </div>
        <br>
      </div>
      <br>
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      <br>
      <pre wrap="">_______________________________________________
GraphHopper mailing list
<a class="moz-txt-link-abbreviated" href="mailto:GraphHopper@openstreetmap.org">GraphHopper@openstreetmap.org</a>
<a class="moz-txt-link-freetext" href="https://lists.openstreetmap.org/listinfo/graphhopper">https://lists.openstreetmap.org/listinfo/graphhopper</a>
</pre>
    </blockquote>
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